290229413 has 2 divisors, whose sum is σ = 290229414. Its totient is φ = 290229412.

The previous prime is 290229391. The next prime is 290229421. The reversal of 290229413 is 314922092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229280164 + 60949249 = 15142^2 + 7807^2 .

It is a cyclic number.

It is not a de Polignac number, because 290229413 - 2¹⁴ = 290213029 is a prime.

It is a super-2 number, since 2×290229413² = 168466224340649138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 290229413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290229463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145114706 + 145114707.

It is an arithmetic number, because the mean of its divisors is an integer number (145114707).

Almost surely, 2^290229413 is an apocalyptic number.

It is an amenable number.

290229413 is a deficient number, since it is larger than the sum of its proper divisors (1).

290229413 is an equidigital number, since it uses as much as digits as its factorization.

290229413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 290229413 is about 17036.1208319265. The cubic root of 290229413 is about 662.0850900565.

The spelling of 290229413 in words is "two hundred ninety million, two hundred twenty-nine thousand, four hundred thirteen".